EN
2T operation:
This function without the adjustment of start current and crater current is suitable for the Re-tack-
welding, transient welding, thin plate welding and so on.
●
0:
Press the gun switch and hold it. Electromagnetic gas valve is turned on. The shielding
gas stars to
fl
ow.
●
0~t1:
Gas Pre-
fl
ow time (0.0-2 sec)
●
t1~t2:
Arc is ignited (t1) and the output current rises (t2) to the setting welding current (Iw or
Ib) from the min. welding current.
(0.0-10 sec)
●
t2~t3:
During the whole welding process, the gun switch is pressed and held without releas-
ing.
Note: Select the pulsed output, the base current and welding current will be output-
ted alternately; otherwise, output the setting value of welding current;
●
t3:
Release the gun switch, the welding current will drop in accordance with the se-
lected down-slope time.
●
t3~t4:
The current drops to the minimum welding current from the setting current (Iw or Ib),
and then arc is turned off.
(0.0-10 sec)
●
t4~t5:
Gas Post-
fl
ow time, after the arc is turned off. You can adjust it through turning the
knob on the front panel.
(0.0-10 sec)
●
t5:
electromagnetic gas valve turned off, the shield gas stops to
fl
ow, and welding is
fi
nished.
3-5.
Short circuit protect function:
TIG /DC/LIFT:
If the tungsten electrode sticking to the the workpiece during welding, the current
will drop to 20A, which can reduce the tungsten spoilage farthest, prolong the using life of the
tungsten electrode and prevent tungsten clipping.
TIG /DC/HF:
If the tungsten electrode sticking to the the workpiece during welding, the current
will drop to 0 within 1s, which can reduce the tungsten spoilage farthest, prolong the using life of
MMA operation:
if the welding electrode sticking to the workpiece over two seconds, the weld-
ing current will drop to the 0 automatically to protect the electrode.
Prevent arc-break function:
TIG operation, Avoid arc-break with special means, even if arc-
break occurs the HF will keep the arc stable
4T TIG:
If the TIG torch is pressed quickly, the welding current will drop a half, then if the TIG torch
is pressed quickly again, the welding current will get back.
t
䠄
s
䠅
0
I
䠄
A
䠅
t1
t5
t3
t4
t2
5A
12
